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-   -   Switching from efi to carbs, which intakes should I use? (https://www.offshoreonly.com/forums/general-boating-discussion/174404-switching-efi-carbs-intakes-should-i-use.html)

ls1nova 12-01-2007 09:00 AM

Switching from efi to carbs, which intakes should I use?
 
Well guys, I'm leaving my area of knowledge, and switching from efi to carbs. Which intake would best suit my needs? Here's the engine spec's 502, AFR 315's, 8.75-1 compression, crane 741 cam.
I really need something with brass inserts in the water passages, unless I go with closed cooling. But I'm not sure I'm going to bother with the closed cooling, I would rather just get an intake with brass. I will also need a 4150 base, going off of what the carb shop is reccomending.

I guess I better explain that I'm not switching to carbs because the efi is a pain in the azz or anything, It's simply a money issue. I'm building a twin to the motor in my Velocity and putting them both in the Powerplay. So buying 2 harnesses/computers, 1 more intake/throttle body/injectors, ect. it will be way more affordable to just switch both to carbs.

Thanks,
Frank

29scarab 12-01-2007 09:22 AM

Might get some better response in the General Tech area. Should be an easy questions for one of the engine pro's.

Good luck!

ls1nova 12-01-2007 09:24 AM

Oops! I thought I posted it there. LOL I'm loosing it I guess.

Could one of the moderators delete this thread please? I reposed in the tech section.

Thanks,
Frank

MDGperformance 12-01-2007 09:37 AM

I would recommend the world products marine intakes,only one with brass inserts really work nice,I am wd with world and can get you a good deal.The world intakes combined with a holley hp950 carb works great,plenty of power,idle great and easy to work on.give me a call 410-956-5381 dave.

f311fr1 12-01-2007 10:53 AM

Are they tall decks? If so I have a pair of intakes for Dominators.

ls1nova 12-01-2007 05:44 PM


Originally Posted by f311fr1 (Post 2355364)
Are they tall decks? If so I have a pair of intakes for Dominators.


They are standard deck. Thanks anyway.

Frank

cobra marty 12-02-2007 11:52 AM

CPPerformance has dart intakes and carb fo around $700.

MM1 12-02-2007 01:15 PM

Merlin intakes would be the best for your situation. The kit from CP does not have brass inserts in the water jacket. Buy them online at summit racing.com part # wrl-063042

MrCIG 12-02-2007 02:11 PM

I've got Brodix and they perform great.

Mark

AIR TIME 12-02-2007 05:02 PM

I have been running the dart intake for 12yrs on a 509 at 600hp plus. I run salt water only:D flush out after use thats all. one dart intake I had is in my buddys boat thats 12yrs and THE ONE i have now is 7yrs went with aftermarket heads so needed new intake


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